16596-4117 B 1839 AB

 
 
16h 59m 35.57s -41° 17' 08.1" P.A. 133.00 sep 0.2 mag 8.36,9.58 Sp F5/6IV dist. 476.19 pc (1553.33 l.y.)
 
 
Coord 2000 16596-4117 Discov num B  1839 Comp AB Coord arcsec 2000 16 59 35.57 -41 17 08.1
Date first 1931 Date last 2021 Obs 11
Pa first 149 Pa last 133 P.A. Now (θ) 133°
Sep first 0.2 Sep last 0.211 Sep. Now (ρ) 0.211"
Mag pri 8.36 Mag sec 9.58 delta mag (ΔM) 1.22 Spectral class F5/6IV (yellow-white)
Pri motion ra -036 Sec motion ra
Pri motion dec -052 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
16596-4117 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 227531 16 59 36 -41 17 08 B 1839 AB 2021 11 133 0.2 8.36 9.58 1.22 Y <===
Show HD 153157 227531 16 59 36 -41 17 08 B 1839 AB,C 2016 9 326 8.6 8.00 11.18 3.18
Triple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Scorpius SAO 227531 HIP 83155 Tycho2 7876-02412-1
Gaia DR2 5966602691129161856 HD 153157 CD CD-4111145 CP CP-41 7799
Distance 476.19 Distance ly 1553.33
 
 
ORBITAL ELEMENTS
 
 
Period (P)87.5y Periastron (T)1961.4y Semi-major axis (a)0.172a
Eccentricity (e)0.36 Inclination (i)180° Longitude of periastron (ω)
Node (Ω)348.7° Notes ReferenceTok2020g
Equinox2000 Last observation2018 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 179.5 0.232
2001 177.3 0.232
2002 175.3 0.233
2003 173.2 0.234
2004 171.1 0.234
2005 169.0 0.234
2006 166.9 0.234
2007 164.9 0.234
2008 162.8 0.233
2009 160.7 0.233
2010 158.6 0.232
2011 156.5 0.231
2012 154.3 0.230
2013 152.2 0.229
2014 150.0 0.227
2015 147.8 0.226
2016 145.5 0.224
2017 143.2 0.222
2018 140.9 0.220
2019 138.5 0.217
2020 136.1 0.215
2021 133.6 0.212
2022 131.0 0.209
2023 128.4 0.206
2024 125.7 0.203
2025 122.9 0.200
2026 120.0 0.196
2027 117.0 0.193
2028 113.9 0.189
2029 110.6 0.185
2030 107.2 0.181


 
grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.



 
 


wds16596-4117a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic